Test ID:	1.3.6.1.4.1.25623.1.0.844881
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4893-1)
Summary:	The remote host is missing an update for the 'firefox' package(s) announced via the USN-4893-1 advisory.
Description:	Summary: The remote host is missing an update for the 'firefox' package(s) announced via the USN-4893-1 advisory. Vulnerability Insight: Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, or execute arbitrary code. (CVE-2021-23981, CVE-2021-23982, CVE-2021-23983, CVE-2021-23987, CVE-2021-23988) It was discovered that extensions could open popup windows with control of the window title in some circumstances. If a user were tricked into installing a specially crafted extension, an attacker could potentially exploit this to spook a website and trick the user into providing credentials. (CVE-2021-23984) It was discovered that the DevTools remote debugging feature could be enabled without an indication to the user. If a local attacker could modify the browser configuration, a remote attacker could potentially exploit this to obtain sensitive information. (CVE-2021-23985) It was discovered that extensions could read the response of cross origin requests in some circumstances. If a user were tricked into installing a specially crafted extension, an attacker could potentially exploit this to obtain sensitive information. (CVE-2021-23986) Affected Software/OS: 'firefox' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10. Solution: Please install the updated package(s). CVSS Score: 6.8 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-23981 https://bugzilla.mozilla.org/show_bug.cgi?id=1692832 https://www.mozilla.org/security/advisories/mfsa2021-10/ https://www.mozilla.org/security/advisories/mfsa2021-11/ https://www.mozilla.org/security/advisories/mfsa2021-12/ Common Vulnerability Exposure (CVE) ID: CVE-2021-23982 https://bugzilla.mozilla.org/show_bug.cgi?id=1677046 Common Vulnerability Exposure (CVE) ID: CVE-2021-23983 https://bugzilla.mozilla.org/show_bug.cgi?id=1692684 Common Vulnerability Exposure (CVE) ID: CVE-2021-23984 https://bugzilla.mozilla.org/show_bug.cgi?id=1693664 Common Vulnerability Exposure (CVE) ID: CVE-2021-23985 https://bugzilla.mozilla.org/show_bug.cgi?id=1659129 Common Vulnerability Exposure (CVE) ID: CVE-2021-23986 https://bugzilla.mozilla.org/show_bug.cgi?id=1692623 Common Vulnerability Exposure (CVE) ID: CVE-2021-23987 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1513519%2C1683439%2C1690169%2C1690718 Common Vulnerability Exposure (CVE) ID: CVE-2021-23988 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1684994%2C1686653
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